Very old (41 years)piper lots of noise. low over the trees near the West Brant Fire Hall. No emissions pollution control equipment. Registration at http://wwwapps2.tc.gc.ca/Saf-Sec-Sur/2/ccarcs/aspscripts/en/quicksearch.asp Aircraft Noise control at http://www.tc.gc.ca/eng/civilaviation/publications/tp1247-part4-menu-1470.htm